claudia cowan with more live from our san francisco newsroom. claudia? >> harris, the surge is being driven in large part by that country's booming economy. it means for the first time in china's history millions of families can afford to send their children to american colleges and universities. because they are willing to pay full freight, often tens of thousands of dollars in tuition, chinese students are coveted, indeed many u.s. colleges and universities today actively recruit in china. while the influx has led to greater diversity on campus it has also brought challenges, chief among them the language barrier. chinese students have had use-to-use head sets from english to man darr written translation. enrolls hundreds of students china one administrator quit over that school's aggressive recruiting policy. many campuses say they are trying to strike a balance as they work to accommodate some young people coming primarily from one country. >> if you go into a business class and 80% of the students there are chinese, that's not what the chinese wante